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- From: linda@uni-paderborn.de (Linda Floren)
- Subject: Re: Frequency of NFS lock problems w/ NFS mounted mail spool
- In-Reply-To: karl@ddsw1.mcs.com's message of Sun, 30 Aug 1992 03:28:43 GMT
- Message-ID: <LINDA.92Sep1135545@matisse.uni-paderborn.de>
- Sender: news@uni-paderborn.de (News Uni-Paderborn)
- Nntp-Posting-Host: matisse
- Organization: Uni Paderborn FB 17 Informatik GERMANY
- References: <1992Aug27.185938.21422@leland.Stanford.EDU>
- <1992Aug30.032843.8468@ddsw1.mcs.com>
- Date: Tue, 1 Sep 1992 12:55:45 GMT
- Lines: 23
-
- >>>>> Regarding Re: Frequency of NFS lock problems w/ NFS mounted mail spool; karl@ddsw1.mcs.com (Karl Denninger) adds:
-
-
- Karl> It is decidedly NOT a good idea to have more than one machine on an
- Karl> NFS-mounted mail spool writing >inbound< messages to a user's mailbox.
- Karl> The various rpc.lockd bugs will bite you if you try this, and Sun has one of
- Karl> the worst records in this area. The results are hung sendmail processes and
- Karl> mail that never gets delivered.
-
- We have a network of more than a hundred Sun4, which all mount the
- mail-directory read-write and do local mail-delivery without
- forwarding to the server ( it would most likely break down if they
- did), and we never had serious problems with this policy.
-
- Karl> Then again, this is not a difficult problem to solve -- just have all hosts
- Karl> forward mail for local delivery to the host which actually has the disk
- Karl> attached to it, and do the mailbox delivery there. This is a safe and sane
- Karl> approach. It also permits simple "domain hiding" if you wish to do it.
-
- Good Bye
-
- Linda Floren
- (linda@uni-paderborn.de)
-